Home / 6,047.48-8,338.38-5,160.44

Finding the Fourth Proportional to 6,047.48, 8,338.38 and 5,160.44

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Solution

The fourth proportional to 6,047.48, 8,338.38 and 5,160.44 is: 7,115.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,047.48 : 8,338.38 = 5,160.44 : x
  2. Step 2: Convert to fraction form
    6,047.48/8,338.38 = 5,160.44/x
  3. Step 3: Cross multiply
    6,047.48x = 8,338.38 × 5,160.44
  4. Step 4: Simplify right side
    6,047.48x = 43,029,709.69
  5. Step 5: Solve for x
    x = 43,029,709.69/6,047.48
  6. Step 6: Final answer
    x = 7,115.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.